Oxford University’s Sir John Bell says sharp fall in death rate due to existing vaccines allows for a change in priorities
It is questionable how much longer current Covid-19 vaccines will be used as they have largely done their job in preventing mass deaths, and scientists should focus on developing a vaccine that stops transmission of the virus, according to leading scientist Sir John Bell.
The huge success of Covid vaccines in countries able to get them has led to sharp declines in deaths and severe disease from the virus, even though the latest Covid variant, Omicron, has spread rapidly.
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